The Difference Between ac and dc Plugs and Power Connectors - ASME
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Power supplies come in various formats. Ac-dc wall plugs, and dc power connectors are the most common, while dc plugs are rare. Explore the basics here.
![](https://cdn.sparkfun.com/assets/learn_tutorials/1/1/5/AC_sinewave_1.png)
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![](https://info.sparkfun.com/hubfs/Poster%20Downloads/ac_dc_thumbnail.png)
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![](https://cdn2.webdamdb.com/1280_INYHjfdht3N31ohf.jpg?1629752638)
What Are NEMA, IEC and CEE?, Connector Guide
![](https://image.made-in-china.com/201f0j00IvicBYqhnFoR/Manufacturer-Laptop-Adapter-60W-12V-5A-Laptop-Power-Supply-24V-2-5A-AC-Adapter-Charger-for-CCTV-Camera.webp)
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![](https://www.asme.org/getmedia/6eef9777-e2ed-44d6-ae70-65c2667bd909/input-and-output-plugs-for-power-adapters_image-1.jpg?width=920&height=535&ext=.jpg)
The Difference Between ac and dc Plugs and Power Connectors - ASME
![](https://www.asme.org/getmedia/afd82c14-4626-4608-b39a-87c1530032d1/input-and-output-plugs-for-power-adapters_image-7.jpg?width=920&height=262&ext=.jpg)
The Difference Between ac and dc Plugs and Power Connectors - ASME
![](https://www.asme.org/getmedia/947030f0-bca0-465e-b7cb-5d9857755141/input-and-output-plugs-for-power-adapters_image-6.jpg?width=920&height=307&ext=.jpg)
The Difference Between ac and dc Plugs and Power Connectors - ASME